Electric field profile for various types of electrodes - QuickField simulation example
Electric-field profiles for rod, disc, and spherical electrodes in an air gap, showing how electrode shape changes field concentration and uniformity.
How to calculate the effect of rod, disc, and spherical electrode shapes on the electric-field profile in an air gap?
Answer Typical applications Geometry
Given
Task
Solution
Results
In this example the electrodes of rode, disc and spherical shapes are simulated.
Engineering question
Model each electrode configuration axisymmetrically and compare the resulting electric-field stress distributions in the gap.
disc electrodes, spherical electrodes, rod electrodes
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Simulation problem
Problem Type
Axisymmetric problem of electrostatics.
Relative permeability of air ε = 1;
HV electrode potential = 1 kV.
Determining field distribution of the different types of electrodes configuration.
In QuickField axis of rotation is placed horizontally. In the model we should draw only the cross-section located to one side of rotation axis.
Electric field stress distribution in the air gap:
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